19523840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2179}}^1$

素因数の和:2207

約数の個数: 72

約数和(自身を含む): 53471040

約数和(自身を除く): 33947200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2179, 2240, 4358, 4480, 8716, 8960, 10895, 15253, 17432, 21790, 30506, 34864, 43580, 61012, 69728, 76265, 87160, 122024, 139456, 152530, 174320, 244048, 278912, 305060, 348640, 488096, 557824, 610120, 697280, 976192, 1220240, 1394560, 1952384, 2440480, 2789120, 3904768, 4880960, 9761920, 19523840]

約数ペア:

[(1, 19523840), (2, 9761920), (4, 4880960), (5, 3904768), (7, 2789120), (8, 2440480), (10, 1952384), (14, 1394560), (16, 1220240), (20, 976192), (28, 697280), (32, 610120), (35, 557824), (40, 488096), (56, 348640), (64, 305060), (70, 278912), (80, 244048), (112, 174320), (128, 152530), (140, 139456), (160, 122024), (224, 87160), (256, 76265), (280, 69728), (320, 61012), (448, 43580), (560, 34864), (640, 30506), (896, 21790), (1120, 17432), (1280, 15253), (1792, 10895), (2179, 8960), (2240, 8716), (4358, 4480)]